Fix 1989/jar.2/Makefile for make everything/alt
The problem was that the alt rule had the ${CC} ... when it's not
supposed to. That's for the rule ${PROG}.alt which there is none in this
entry as there is no alt code.
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@@ -140,7 +140,7 @@ ${PROG}: ${PROG}.c
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# alternative executable
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#
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alt: data ${ALT_TARGET}
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${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
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@${TRUE}
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# data files
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#
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+144
-134
@@ -897,6 +897,16 @@ href="1989/jar.2/chocolate_cake.lisp">chocolate_cake.lisp</a>. The
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comes from <a href="#yusuke">Yusuke</a>. Cody wrote the script and
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offered us some chocolate cake :-) See index.html for details on how to
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use the script.</p>
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<p>Cody also fixed the Makefile where typing
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<code>make everything</code> or <code>make alt</code> would result
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in:</p>
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<pre><code>clang: error: no such file or directory: 'data'
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clang: error: no input files
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make: *** [Makefile:143: alt] Error 1
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shell returned 2</code></pre>
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<p>because the <code>alt</code> rule had what normally is in the
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<code>${PROG}.alt</code> rule.</p>
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<h2 id="ovdluhe-index.html"><a name="1989_ovdluhe"></a><a
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href="1989/ovdluhe/ovdluhe.c">1989/ovdluhe</a> (<a
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href="1989/ovdluhe/index.html%5D">index.html</a>)</h2>
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@@ -932,8 +942,8 @@ href="1989/robison/robison.c">1989/robison</a> (<a
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href="1989/robison/index.html%5D">index.html</a>)</h2>
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<p><a href="#yusuke">Yusuke Endoh</a> fixed this to compile under modern
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systems. To see the changes made, try:</p>
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<div class="sourceCode" id="cb32"><pre
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class="sourceCode sh"><code class="sourceCode bash"><span id="cb32-1"><a href="#cb32-1" aria-hidden="true" tabindex="-1"></a><span class="bu">cd</span> 1989/robison <span class="kw">;</span> <span class="fu">make</span> diff_orig_prog</span></code></pre></div>
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<div class="sourceCode" id="cb33"><pre
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class="sourceCode sh"><code class="sourceCode bash"><span id="cb33-1"><a href="#cb33-1" aria-hidden="true" tabindex="-1"></a><span class="bu">cd</span> 1989/robison <span class="kw">;</span> <span class="fu">make</span> diff_orig_prog</span></code></pre></div>
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<p>(It adds the C token pasting operator <code>##</code> instead of
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<code>/**/</code>.)</p>
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<p>Cody also added the <a href="1989/robison/try.sh">try.sh</a>
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@@ -1093,11 +1103,11 @@ href="1990/dg/index.html%5D">index.html</a>)</h2>
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<p><a href="#cody">Cody</a> fixed this for modern systems. There were
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two problems to be resolved.</p>
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<p>One can no longer do:</p>
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<div class="sourceCode" id="cb33"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb33-1"><a href="#cb33-1" aria-hidden="true" tabindex="-1"></a><span class="pp">#define d define</span></span>
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<span id="cb33-2"><a href="#cb33-2" aria-hidden="true" tabindex="-1"></a></span>
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<span id="cb33-3"><a href="#cb33-3" aria-hidden="true" tabindex="-1"></a><span class="pp">#</span><span class="er">d b12(x) 12 x</span></span>
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<span id="cb33-4"><a href="#cb33-4" aria-hidden="true" tabindex="-1"></a></span>
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<span id="cb33-5"><a href="#cb33-5" aria-hidden="true" tabindex="-1"></a><span class="co">/* etc. */</span></span></code></pre></div>
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<div class="sourceCode" id="cb34"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb34-1"><a href="#cb34-1" aria-hidden="true" tabindex="-1"></a><span class="pp">#define d define</span></span>
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<span id="cb34-2"><a href="#cb34-2" aria-hidden="true" tabindex="-1"></a></span>
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<span id="cb34-3"><a href="#cb34-3" aria-hidden="true" tabindex="-1"></a><span class="pp">#</span><span class="er">d b12(x) 12 x</span></span>
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<span id="cb34-4"><a href="#cb34-4" aria-hidden="true" tabindex="-1"></a></span>
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<span id="cb34-5"><a href="#cb34-5" aria-hidden="true" tabindex="-1"></a><span class="co">/* etc. */</span></span></code></pre></div>
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<p>so the use of <code>#d</code> is now instead <code>#define</code>
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(the macro was originally deleted but later Cody added it back to make
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it more like the original).</p>
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@@ -1172,7 +1182,7 @@ segfault prevention was added here). He also fixed some array addressing
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(some of which might not be strictly necessary but as he was testing the
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<code>fibonacci.c</code> bug he ended up changing it anyway).</p>
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<p>BTW: why can’t the fix:</p>
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<div class="sourceCode" id="cb34"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb34-1"><a href="#cb34-1" aria-hidden="true" tabindex="-1"></a><span class="cf">if</span> <span class="op">(</span>a<span class="op">[</span><span class="dv">1</span><span class="op">]==</span>NULL<span class="op">||</span>a<span class="op">[</span><span class="dv">2</span><span class="op">]==</span>NULL<span class="op">||</span>a<span class="op">[</span><span class="dv">3</span><span class="op">]==</span>NULL<span class="op">||</span>a<span class="op">[</span><span class="dv">4</span><span class="op">]==</span>NULL<span class="op">||</span>a<span class="op">[</span><span class="dv">5</span><span class="op">]==</span>NULL<span class="op">)</span> <span class="cf">return</span> <span class="dv">1</span><span class="op">;</span></span></code></pre></div>
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<div class="sourceCode" id="cb35"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb35-1"><a href="#cb35-1" aria-hidden="true" tabindex="-1"></a><span class="cf">if</span> <span class="op">(</span>a<span class="op">[</span><span class="dv">1</span><span class="op">]==</span>NULL<span class="op">||</span>a<span class="op">[</span><span class="dv">2</span><span class="op">]==</span>NULL<span class="op">||</span>a<span class="op">[</span><span class="dv">3</span><span class="op">]==</span>NULL<span class="op">||</span>a<span class="op">[</span><span class="dv">4</span><span class="op">]==</span>NULL<span class="op">||</span>a<span class="op">[</span><span class="dv">5</span><span class="op">]==</span>NULL<span class="op">)</span> <span class="cf">return</span> <span class="dv">1</span><span class="op">;</span></span></code></pre></div>
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<p>be changed to just test the value of <code>A</code> when
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<code>a</code> is argv and <code>A</code> is argc?</p>
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<p>Cody also changed the code to use <code>fgets(3)</code>.</p>
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@@ -1300,10 +1310,10 @@ fix the segfault was changed from <code>char*s</code> to
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<code>char s[]</code>):</p>
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<pre><code>!.Xop.fssps!.Xop.sfuvso.uzqf!.Xop.jnqmjdju.gvodujpo.efdmbsbujpo</code></pre>
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<p>and then the call to <code>system()</code> had to be changed to:</p>
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<div class="sourceCode" id="cb36"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb36-1"><a href="#cb36-1" aria-hidden="true" tabindex="-1"></a>system<span class="op">(</span>q<span class="op">-</span><span class="dv">69</span><span class="op">);</span></span></code></pre></div>
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<div class="sourceCode" id="cb37"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb37-1"><a href="#cb37-1" aria-hidden="true" tabindex="-1"></a>system<span class="op">(</span>q<span class="op">-</span><span class="dv">69</span><span class="op">);</span></span></code></pre></div>
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<p>An important point is that the placement of this string in the
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<code>s</code> array does matter. This is because of the code:</p>
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<div class="sourceCode" id="cb37"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb37-1"><a href="#cb37-1" aria-hidden="true" tabindex="-1"></a><span class="op">*</span>o<span class="op">=</span>fopen<span class="op">(</span>q<span class="op">-</span><span class="dv">3</span><span class="op">,</span><span class="st">"w"</span><span class="op">);</span></span></code></pre></div>
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<div class="sourceCode" id="cb38"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb38-1"><a href="#cb38-1" aria-hidden="true" tabindex="-1"></a><span class="op">*</span>o<span class="op">=</span>fopen<span class="op">(</span>q<span class="op">-</span><span class="dv">3</span><span class="op">,</span><span class="st">"w"</span><span class="op">);</span></span></code></pre></div>
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<p>which means the file name that translates to <code>a.c</code> has to
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be at the end of the string. Thus the end of the string actually looks
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like:</p>
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@@ -1312,11 +1322,11 @@ like:</p>
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<code>fgets(3)</code>. As can be seen above it’s not as simple as
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changing <code>gets(3)</code> to <code>fgets(3)</code>. This was more
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magic characters that had to be updated and some added. The C code:</p>
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<div class="sourceCode" id="cb39"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb39-1"><a href="#cb39-1" aria-hidden="true" tabindex="-1"></a>atoi<span class="op">(</span>gets<span class="op">(</span>b<span class="op">))</span></span></code></pre></div>
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<div class="sourceCode" id="cb40"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb40-1"><a href="#cb40-1" aria-hidden="true" tabindex="-1"></a>atoi<span class="op">(</span>gets<span class="op">(</span>b<span class="op">))</span></span></code></pre></div>
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<p>is in the string:</p>
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<pre><code>bupj)hfut)c**</code></pre>
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<p>which was changed to be (in C):</p>
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<div class="sourceCode" id="cb41"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb41-1"><a href="#cb41-1" aria-hidden="true" tabindex="-1"></a>atoi<span class="op">(</span>fgets<span class="op">(</span>b<span class="op">,</span><span class="dv">99</span><span class="op">,</span>stdin<span class="op">))</span></span></code></pre></div>
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<div class="sourceCode" id="cb42"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb42-1"><a href="#cb42-1" aria-hidden="true" tabindex="-1"></a>atoi<span class="op">(</span>fgets<span class="op">(</span>b<span class="op">,</span><span class="dv">99</span><span class="op">,</span>stdin<span class="op">))</span></span></code></pre></div>
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<p>which in the program is:</p>
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<pre><code>bupj)ghfut)c-::-tuejo**</code></pre>
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<p>That’s fine and well but since the code does not include
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@@ -1338,16 +1348,16 @@ updated again and the <code>system(q-86)</code> had to be changed to
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correct code, the generated code was changed to <code>return 1;</code>
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rather than just <code>return;</code>. Thus in full the string
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||||
became:</p>
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<div class="sourceCode" id="cb45"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb45-1"><a href="#cb45-1" aria-hidden="true" tabindex="-1"></a><span class="dt">char</span> s<span class="op">[]=</span><span class="st">"Qjou!s</span><span class="sc">\\</span><span class="st">311^-g</span><span class="sc">\\</span><span class="st">311^-n</span><span class="sc">\\</span><span class="st">311^-c</span><span class="sc">\\</span><span class="st">::^-q-ma%mO1JBHm%BQ-aP1J[O1HB%[Q<n</span><span class="op">\</span></span>
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<span id="cb45-2"><a href="#cb45-2" aria-hidden="true" tabindex="-1"></a><span class="st">bjo)*|gps)<<*txjudi)m*|aQdbtf!::::;sfuvso!2<aQefgbvmu;aQ<m,,a%CQ<csfbla</span><span class="sc">%b</span><span class="st">Q<a</span><span class="op">\</span></span>
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<span id="cb45-3"><a href="#cb45-3" aria-hidden="true" tabindex="-1"></a><span class="st">N2!Q</span><span class="sc">\n</span><span class="st">dbtf!aP2Q;m>aP2Q<a%!D12J!JGJHJOJQJFJSJJJMHS%HD12D12N3!N4</span><span class="sc">\n</span><span class="st">JUJT%UQm>aP4</span><span class="op">\</span></span>
|
||||
<span id="cb45-4"><a href="#cb45-4" aria-hidden="true" tabindex="-1"></a><span class="st">HC%TQs</span><span class="sc">\\</span><span class="st">q,,^>m,2<m>aP4HC%SD12N1</span><span class="sc">\n</span><span class="st">JNQm>s</span><span class="sc">\\</span><span class="st">..q^aHC%NHb</span><span class="sc">%G</span><span class="st">N1!D32P3%RN1UP1D12JPQU</span><span class="op">\</span></span>
|
||||
<span id="cb45-5"><a href="#cb45-5" aria-hidden="true" tabindex="-1"></a><span class="st">aP1HR%PN4</span><span class="sc">\n</span><span class="st">Q<g</span><span class="sc">\\</span><span class="st">(aP3Q(^>aP2Q,2<n</span><span class="sc">\\</span><span class="st">(aP3Q(^>aP4Hb%OD12D12N2!N3</span><span class="sc">\n</span><span class="st">JVP3Q,,<jg)aP3</span><span class="op">\</span></span>
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||||
<span id="cb45-6"><a href="#cb45-6" aria-hidden="true" tabindex="-1"></a><span class="st">Q=>n</span><span class="sc">\\</span><span class="st">(aP3Q(^*m>g</span><span class="sc">\\</span><span class="st">(aP3Q(^<fmtf!m,,aHC%QN1!N1</span><span class="sc">\n</span><span class="st">J#Qqsjoug)#&e]o#-aP1Q*aHb%#Qq</span><span class="op">\</span></span>
|
||||
<span id="cb45-7"><a href="#cb45-7" aria-hidden="true" tabindex="-1"></a><span class="st">vut)aP1Q*aHb</span><span class="sc">%F</span><span class="st">N1</span><span class="sc">\n</span><span class="st">Qm>::::aHC%VP3Q>bupj)ghfut)c-::-tuejo**aHb%JD12JON1!Qjg)a%</span><span class="op">\</span></span>
|
||||
<span id="cb45-8"><a href="#cb45-8" aria-hidden="true" tabindex="-1"></a><span class="st">LN1UP1D12JIQUaP1HL%IQ*m>aN2!N2</span><span class="sc">\n</span><span class="st">P2Q<fmtf!m,,aHC%MN1!N2>P2Q>aN2</span><span class="sc">\n</span><span class="st">P2Hbdd!.Xop.</span><span class="op">\</span></span>
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<span id="cb45-9"><a href="#cb45-9" aria-hidden="true" tabindex="-1"></a><span class="st">fssps!.Xop.jnqmjdju.gvodujpo.efdmbsbujpo!.Xop.jnqmjdju.jou!.jodmvef!tuejp/i!</span><span class="op">\</span></span>
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<span id="cb45-10"><a href="#cb45-10" aria-hidden="true" tabindex="-1"></a><span class="st">b/d"</span><span class="op">;</span></span></code></pre></div>
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<div class="sourceCode" id="cb46"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb46-1"><a href="#cb46-1" aria-hidden="true" tabindex="-1"></a><span class="dt">char</span> s<span class="op">[]=</span><span class="st">"Qjou!s</span><span class="sc">\\</span><span class="st">311^-g</span><span class="sc">\\</span><span class="st">311^-n</span><span class="sc">\\</span><span class="st">311^-c</span><span class="sc">\\</span><span class="st">::^-q-ma%mO1JBHm%BQ-aP1J[O1HB%[Q<n</span><span class="op">\</span></span>
|
||||
<span id="cb46-2"><a href="#cb46-2" aria-hidden="true" tabindex="-1"></a><span class="st">bjo)*|gps)<<*txjudi)m*|aQdbtf!::::;sfuvso!2<aQefgbvmu;aQ<m,,a%CQ<csfbla</span><span class="sc">%b</span><span class="st">Q<a</span><span class="op">\</span></span>
|
||||
<span id="cb46-3"><a href="#cb46-3" aria-hidden="true" tabindex="-1"></a><span class="st">N2!Q</span><span class="sc">\n</span><span class="st">dbtf!aP2Q;m>aP2Q<a%!D12J!JGJHJOJQJFJSJJJMHS%HD12D12N3!N4</span><span class="sc">\n</span><span class="st">JUJT%UQm>aP4</span><span class="op">\</span></span>
|
||||
<span id="cb46-4"><a href="#cb46-4" aria-hidden="true" tabindex="-1"></a><span class="st">HC%TQs</span><span class="sc">\\</span><span class="st">q,,^>m,2<m>aP4HC%SD12N1</span><span class="sc">\n</span><span class="st">JNQm>s</span><span class="sc">\\</span><span class="st">..q^aHC%NHb</span><span class="sc">%G</span><span class="st">N1!D32P3%RN1UP1D12JPQU</span><span class="op">\</span></span>
|
||||
<span id="cb46-5"><a href="#cb46-5" aria-hidden="true" tabindex="-1"></a><span class="st">aP1HR%PN4</span><span class="sc">\n</span><span class="st">Q<g</span><span class="sc">\\</span><span class="st">(aP3Q(^>aP2Q,2<n</span><span class="sc">\\</span><span class="st">(aP3Q(^>aP4Hb%OD12D12N2!N3</span><span class="sc">\n</span><span class="st">JVP3Q,,<jg)aP3</span><span class="op">\</span></span>
|
||||
<span id="cb46-6"><a href="#cb46-6" aria-hidden="true" tabindex="-1"></a><span class="st">Q=>n</span><span class="sc">\\</span><span class="st">(aP3Q(^*m>g</span><span class="sc">\\</span><span class="st">(aP3Q(^<fmtf!m,,aHC%QN1!N1</span><span class="sc">\n</span><span class="st">J#Qqsjoug)#&e]o#-aP1Q*aHb%#Qq</span><span class="op">\</span></span>
|
||||
<span id="cb46-7"><a href="#cb46-7" aria-hidden="true" tabindex="-1"></a><span class="st">vut)aP1Q*aHb</span><span class="sc">%F</span><span class="st">N1</span><span class="sc">\n</span><span class="st">Qm>::::aHC%VP3Q>bupj)ghfut)c-::-tuejo**aHb%JD12JON1!Qjg)a%</span><span class="op">\</span></span>
|
||||
<span id="cb46-8"><a href="#cb46-8" aria-hidden="true" tabindex="-1"></a><span class="st">LN1UP1D12JIQUaP1HL%IQ*m>aN2!N2</span><span class="sc">\n</span><span class="st">P2Q<fmtf!m,,aHC%MN1!N2>P2Q>aN2</span><span class="sc">\n</span><span class="st">P2Hbdd!.Xop.</span><span class="op">\</span></span>
|
||||
<span id="cb46-9"><a href="#cb46-9" aria-hidden="true" tabindex="-1"></a><span class="st">fssps!.Xop.jnqmjdju.gvodujpo.efdmbsbujpo!.Xop.jnqmjdju.jou!.jodmvef!tuejp/i!</span><span class="op">\</span></span>
|
||||
<span id="cb46-10"><a href="#cb46-10" aria-hidden="true" tabindex="-1"></a><span class="st">b/d"</span><span class="op">;</span></span></code></pre></div>
|
||||
<p>and it now is <code>system(q-87);</code>.</p>
|
||||
<p>It is hoped that this is the last time the string has to be updated
|
||||
to work with all versions of clang but if not the above is how it
|
||||
@@ -1446,19 +1456,19 @@ added. Then it was noticed that the problem is that
|
||||
it was never fixed in any of the files, not the code or the
|
||||
documentation, and thus was entirely incorrect code. A fun fact is that
|
||||
one can do:</p>
|
||||
<div class="sourceCode" id="cb46"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb46-1"><a href="#cb46-1" aria-hidden="true" tabindex="-1"></a>W<span class="op">=</span> fopen<span class="op">(</span>wc<span class="op">>=</span> <span class="dv">2</span> <span class="op">?</span> V<span class="op">[</span><span class="dv">1</span><span class="op">]</span> <span class="op">:</span> __FILE__<span class="op">,</span><span class="st">"rt"</span><span class="op">);</span><span class="cf">if</span><span class="op">(!</span>W<span class="op">)</span>exit<span class="op">(</span><span class="dv">1</span><span class="op">);</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb47"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb47-1"><a href="#cb47-1" aria-hidden="true" tabindex="-1"></a>W<span class="op">=</span> fopen<span class="op">(</span>wc<span class="op">>=</span> <span class="dv">2</span> <span class="op">?</span> V<span class="op">[</span><span class="dv">1</span><span class="op">]</span> <span class="op">:</span> __FILE__<span class="op">,</span><span class="st">"rt"</span><span class="op">);</span><span class="cf">if</span><span class="op">(!</span>W<span class="op">)</span>exit<span class="op">(</span><span class="dv">1</span><span class="op">);</span></span></code></pre></div>
|
||||
<p>but one <em>CANNOT</em> do:</p>
|
||||
<div class="sourceCode" id="cb47"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb47-1"><a href="#cb47-1" aria-hidden="true" tabindex="-1"></a>W<span class="op">=</span> fopen<span class="op">(</span>wc<span class="op">>=</span> <span class="dv">2</span> <span class="op">?</span> V<span class="op">[</span><span class="dv">1</span><span class="op">]</span> <span class="op">:</span> __FILE__<span class="op">,</span><span class="st">"rt"</span><span class="op">);</span><span class="cf">if</span><span class="op">(!</span>W<span class="op">)</span>exit<span class="op">(</span><span class="dv">1</span><span class="op">);</span></span>
|
||||
<span id="cb47-2"><a href="#cb47-2" aria-hidden="true" tabindex="-1"></a><span class="cf">if</span> <span class="op">(</span>W<span class="op">==</span>NULL<span class="op">)</span>exit<span class="op">(</span><span class="dv">1</span><span class="op">);</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb48"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb48-1"><a href="#cb48-1" aria-hidden="true" tabindex="-1"></a>W<span class="op">=</span> fopen<span class="op">(</span>wc<span class="op">>=</span> <span class="dv">2</span> <span class="op">?</span> V<span class="op">[</span><span class="dv">1</span><span class="op">]</span> <span class="op">:</span> __FILE__<span class="op">,</span><span class="st">"rt"</span><span class="op">);</span><span class="cf">if</span><span class="op">(!</span>W<span class="op">)</span>exit<span class="op">(</span><span class="dv">1</span><span class="op">);</span></span>
|
||||
<span id="cb48-2"><a href="#cb48-2" aria-hidden="true" tabindex="-1"></a><span class="cf">if</span> <span class="op">(</span>W<span class="op">==</span>NULL<span class="op">)</span>exit<span class="op">(</span><span class="dv">1</span><span class="op">);</span></span></code></pre></div>
|
||||
<p>because <code>adwc.c</code> will be empty! The difference is it is on
|
||||
a newline, the check. This is an example of how a simple change in code
|
||||
can break it and this is also true of another change as further
|
||||
below.</p>
|
||||
<p>Cody also restored a slightly more obscure line of code that had been
|
||||
changed:</p>
|
||||
<div class="sourceCode" id="cb48"><pre
|
||||
class="sourceCode diff"><code class="sourceCode diff"><span id="cb48-1"><a href="#cb48-1" aria-hidden="true" tabindex="-1"></a><span class="st">- putc("}|uutsrq`_^bji`[Zkediml[PO]a_M__]ISOYIRGTNR"[i]+i-9,stderr);</span></span>
|
||||
<span id="cb48-2"><a href="#cb48-2" aria-hidden="true" tabindex="-1"></a><span class="va">+ putc(i["}|uutsrq`_^bji`[Zkediml[PO]a_M__]ISOYIRGTNR"]+i-9,stderr);</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb49"><pre
|
||||
class="sourceCode diff"><code class="sourceCode diff"><span id="cb49-1"><a href="#cb49-1" aria-hidden="true" tabindex="-1"></a><span class="st">- putc("}|uutsrq`_^bji`[Zkediml[PO]a_M__]ISOYIRGTNR"[i]+i-9,stderr);</span></span>
|
||||
<span id="cb49-2"><a href="#cb49-2" aria-hidden="true" tabindex="-1"></a><span class="va">+ putc(i["}|uutsrq`_^bji`[Zkediml[PO]a_M__]ISOYIRGTNR"]+i-9,stderr);</span></span></code></pre></div>
|
||||
<p>though it’s questionable how much more (if at all) obscure that is
|
||||
:-)</p>
|
||||
<p>Cody also changed the location that it used <code>gets()</code> to be
|
||||
@@ -1485,7 +1495,7 @@ operator or a <code>&&</code>) as this, as might be expected
|
||||
from the above, caused compilation errors with another generated file
|
||||
(<code>adwc.c</code>)! Thus after the <code>gets(3)</code> call in the
|
||||
line that looks like:</p>
|
||||
<div class="sourceCode" id="cb49"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb49-1"><a href="#cb49-1" aria-hidden="true" tabindex="-1"></a><span class="cf">while</span><span class="op">(</span> gets<span class="op">(</span>Y<span class="op">)</span> <span class="op">){</span> Y<span class="op">[</span>strlen<span class="op">(</span>Y<span class="op">)-</span><span class="dv">1</span><span class="op">]=</span><span class="ch">'</span><span class="sc">\0</span><span class="ch">'</span><span class="op">;</span> <span class="cf">if</span><span class="op">(</span>A<span class="op">(</span>Y<span class="op">))</span> puts<span class="op">(</span>Y<span class="op">);</span> <span class="op">}</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb50"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb50-1"><a href="#cb50-1" aria-hidden="true" tabindex="-1"></a><span class="cf">while</span><span class="op">(</span> gets<span class="op">(</span>Y<span class="op">)</span> <span class="op">){</span> Y<span class="op">[</span>strlen<span class="op">(</span>Y<span class="op">)-</span><span class="dv">1</span><span class="op">]=</span><span class="ch">'</span><span class="sc">\0</span><span class="ch">'</span><span class="op">;</span> <span class="cf">if</span><span class="op">(</span>A<span class="op">(</span>Y<span class="op">))</span> puts<span class="op">(</span>Y<span class="op">);</span> <span class="op">}</span></span></code></pre></div>
|
||||
<p>one must keep the <code>Y[strlen(Y)-1]='\0';</code> part and keep it
|
||||
there.</p>
|
||||
<p>These fixes are complex changes due to the way the program and
|
||||
@@ -1740,8 +1750,8 @@ this so that it will work with modern systems. Yusuke provided some
|
||||
fixes of the X code and Cody fixed the C pre-processor directives so
|
||||
that it would compile. It used to be that you could get away with code
|
||||
like:</p>
|
||||
<div class="sourceCode" id="cb50"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb50-1"><a href="#cb50-1" aria-hidden="true" tabindex="-1"></a>G <span class="dt">int</span> i<span class="op">,</span>j</span>
|
||||
<span id="cb50-2"><a href="#cb50-2" aria-hidden="true" tabindex="-1"></a>K <span class="cf">case</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb51"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb51-1"><a href="#cb51-1" aria-hidden="true" tabindex="-1"></a>G <span class="dt">int</span> i<span class="op">,</span>j</span>
|
||||
<span id="cb51-2"><a href="#cb51-2" aria-hidden="true" tabindex="-1"></a>K <span class="cf">case</span></span></code></pre></div>
|
||||
<p>and expect <code>G;</code> to equate to <code>int i, j;</code>
|
||||
(though it’s now a long) and <code>K</code> to mean <code>case</code>
|
||||
but that’s no longer the case so the offending lines had
|
||||
@@ -2333,7 +2343,7 @@ point since the author stated it has no <code>while</code>,
|
||||
<code>do...while</code>, <code>for</code>, <code>if/else</code>,
|
||||
<code>switch</code>, <code>?:</code> Cody removed the if statement by
|
||||
doing:</p>
|
||||
<div class="sourceCode" id="cb52"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb52-1"><a href="#cb52-1" aria-hidden="true" tabindex="-1"></a><span class="op">((</span>V<span class="op">[</span><span class="dv">1</span><span class="op">]&&((</span>atoi<span class="op">(</span>V<span class="op">[</span><span class="dv">1</span><span class="op">])></span><span class="dv">0</span><span class="op">&&</span>atoi<span class="op">(</span>V<span class="op">[</span><span class="dv">1</span><span class="op">])<</span><span class="dv">27</span><span class="op">))||(</span>exit<span class="op">(</span><span class="dv">1</span><span class="op">),</span><span class="dv">1</span><span class="op">)));</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb53"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb53-1"><a href="#cb53-1" aria-hidden="true" tabindex="-1"></a><span class="op">((</span>V<span class="op">[</span><span class="dv">1</span><span class="op">]&&((</span>atoi<span class="op">(</span>V<span class="op">[</span><span class="dv">1</span><span class="op">])></span><span class="dv">0</span><span class="op">&&</span>atoi<span class="op">(</span>V<span class="op">[</span><span class="dv">1</span><span class="op">])<</span><span class="dv">27</span><span class="op">))||(</span>exit<span class="op">(</span><span class="dv">1</span><span class="op">),</span><span class="dv">1</span><span class="op">)));</span></span></code></pre></div>
|
||||
<p>Cody also added the <a href="1998/schnitzi/try.sh">try.sh</a> script
|
||||
to help users try the commands that we recommended as well as some added
|
||||
by him.</p>
|
||||
@@ -2365,7 +2375,7 @@ because it’s almost certain that some files will not exist, it would
|
||||
dereference a NULL pointer and very likely crash or halt and catch fire
|
||||
:-), preventing the entry from working. Notice how <code>H</code> is a
|
||||
funny macro defined as:</p>
|
||||
<div class="sourceCode" id="cb53"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb53-1"><a href="#cb53-1" aria-hidden="true" tabindex="-1"></a><span class="pp">%:define H</span><span class="op">(</span><span class="pp">x</span><span class="op">)</span><span class="pp"> </span><span class="op"><</span><span class="pp">st</span><span class="op">%:%:</span><span class="pp">x</span><span class="op">##.</span><span class="pp">h</span><span class="op">></span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb54"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb54-1"><a href="#cb54-1" aria-hidden="true" tabindex="-1"></a><span class="pp">%:define H</span><span class="op">(</span><span class="pp">x</span><span class="op">)</span><span class="pp"> </span><span class="op"><</span><span class="pp">st</span><span class="op">%:%:</span><span class="pp">x</span><span class="op">##.</span><span class="pp">h</span><span class="op">></span></span></code></pre></div>
|
||||
<p>and yet the <code>FILE *</code> can be called <code>H</code>! This
|
||||
might or might not make sense to you but if it doesn’t can you figure
|
||||
out why?</p>
|
||||
@@ -2648,9 +2658,9 @@ error.</p>
|
||||
matter</em>!</p>
|
||||
<p>To get this to compile with clang, <code>main()</code> had to change
|
||||
from:</p>
|
||||
<div class="sourceCode" id="cb58"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb58-1"><a href="#cb58-1" aria-hidden="true" tabindex="-1"></a>main <span class="op">(</span><span class="dt">char</span> <span class="op">*</span>ck<span class="op">,</span> <span class="dt">char</span> <span class="op">**</span>k<span class="op">)</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb59"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb59-1"><a href="#cb59-1" aria-hidden="true" tabindex="-1"></a>main <span class="op">(</span><span class="dt">char</span> <span class="op">*</span>ck<span class="op">,</span> <span class="dt">char</span> <span class="op">**</span>k<span class="op">)</span></span></code></pre></div>
|
||||
<p>to:</p>
|
||||
<div class="sourceCode" id="cb59"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb59-1"><a href="#cb59-1" aria-hidden="true" tabindex="-1"></a>main <span class="op">(</span><span class="dt">int</span> cka<span class="op">,</span> <span class="dt">char</span> <span class="op">**</span>k<span class="op">)</span> <span class="op">{</span> <span class="dt">char</span> <span class="op">*</span>ck <span class="op">=</span> <span class="op">(</span><span class="dt">char</span> <span class="op">*)</span>cka<span class="op">;</span> <span class="co">/* ... */</span> <span class="op">}</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb60"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb60-1"><a href="#cb60-1" aria-hidden="true" tabindex="-1"></a>main <span class="op">(</span><span class="dt">int</span> cka<span class="op">,</span> <span class="dt">char</span> <span class="op">**</span>k<span class="op">)</span> <span class="op">{</span> <span class="dt">char</span> <span class="op">*</span>ck <span class="op">=</span> <span class="op">(</span><span class="dt">char</span> <span class="op">*)</span>cka<span class="op">;</span> <span class="co">/* ... */</span> <span class="op">}</span></span></code></pre></div>
|
||||
<p>The following change was also made to be more portable, in case the
|
||||
constants <code>PROT_READ</code> and/or <code>PROT_WRITE</code> are not
|
||||
standardised or some platform does not follow it:</p>
|
||||
@@ -2661,19 +2671,19 @@ be equal in both macOS and Linux).</p>
|
||||
<p>NOTE: there might be educational value to see the progress of this
|
||||
fix; if you wish to see, try the following commands from the
|
||||
<code>2001/anonymous</code> directory:</p>
|
||||
<div class="sourceCode" id="cb60"><pre
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb60-1"><a href="#cb60-1" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff d2a42f42e8f477f29e9d5ed09ce2bb349eaf7397..93aa8d79f208dcccc3c5a2370a727b5cf64e9c53 anonymous.c</span>
|
||||
<span id="cb60-2"><a href="#cb60-2" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff 93aa8d79f208dcccc3c5a2370a727b5cf64e9c53..c48629017117379a52b1a512ef8f2593ca9569c8 anonymous.c</span>
|
||||
<span id="cb60-3"><a href="#cb60-3" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff c48629017117379a52b1a512ef8f2593ca9569c8..efdee208a2bc650256637b9357ddfd0de82d2f41 anonymous.c</span>
|
||||
<span id="cb60-4"><a href="#cb60-4" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff efdee208a2bc650256637b9357ddfd0de82d2f41..e9a3f77ea3b209e63ac3f9c06bb84ad86e5ea706 anonymous.c</span>
|
||||
<span id="cb60-5"><a href="#cb60-5" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff d2a42f42e8f477f29e9d5ed09ce2bb349eaf7397..2159caec4677e0f25ad704a74e04c8196fd6c343 anonymous.c</span>
|
||||
<span id="cb60-6"><a href="#cb60-6" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff 2159caec4677e0f25ad704a74e04c8196fd6c343..4bc03de321612869aebf855850c6500df95cb6ef anonymous.c</span></code></pre></div>
|
||||
<p>Finally to see from start to finish:</p>
|
||||
<div class="sourceCode" id="cb61"><pre
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb61-1"><a href="#cb61-1" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff d2a42f42e8f477f29e9d5ed09ce2bb349eaf7397..4bc03de321612869aebf855850c6500df95cb6ef anonymous.c</span></code></pre></div>
|
||||
<p>or to not use <code>git</code>:</p>
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb61-1"><a href="#cb61-1" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff d2a42f42e8f477f29e9d5ed09ce2bb349eaf7397..93aa8d79f208dcccc3c5a2370a727b5cf64e9c53 anonymous.c</span>
|
||||
<span id="cb61-2"><a href="#cb61-2" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff 93aa8d79f208dcccc3c5a2370a727b5cf64e9c53..c48629017117379a52b1a512ef8f2593ca9569c8 anonymous.c</span>
|
||||
<span id="cb61-3"><a href="#cb61-3" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff c48629017117379a52b1a512ef8f2593ca9569c8..efdee208a2bc650256637b9357ddfd0de82d2f41 anonymous.c</span>
|
||||
<span id="cb61-4"><a href="#cb61-4" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff efdee208a2bc650256637b9357ddfd0de82d2f41..e9a3f77ea3b209e63ac3f9c06bb84ad86e5ea706 anonymous.c</span>
|
||||
<span id="cb61-5"><a href="#cb61-5" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff d2a42f42e8f477f29e9d5ed09ce2bb349eaf7397..2159caec4677e0f25ad704a74e04c8196fd6c343 anonymous.c</span>
|
||||
<span id="cb61-6"><a href="#cb61-6" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff 2159caec4677e0f25ad704a74e04c8196fd6c343..4bc03de321612869aebf855850c6500df95cb6ef anonymous.c</span></code></pre></div>
|
||||
<p>Finally to see from start to finish:</p>
|
||||
<div class="sourceCode" id="cb62"><pre
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb62-1"><a href="#cb62-1" aria-hidden="true" tabindex="-1"></a><span class="fu">make</span> diff_orig_prog</span></code></pre></div>
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb62-1"><a href="#cb62-1" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> diff d2a42f42e8f477f29e9d5ed09ce2bb349eaf7397..4bc03de321612869aebf855850c6500df95cb6ef anonymous.c</span></code></pre></div>
|
||||
<p>or to not use <code>git</code>:</p>
|
||||
<div class="sourceCode" id="cb63"><pre
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb63-1"><a href="#cb63-1" aria-hidden="true" tabindex="-1"></a><span class="fu">make</span> diff_orig_prog</span></code></pre></div>
|
||||
<p>Cody also added a <a href="anonymous.bed.c">program</a> like <a
|
||||
href="anonymous.ten.c">anonymous.ten.c</a> <a
|
||||
href="https://en.wikipedia.org/wiki/Ten_Green_Bottles">Ten Green
|
||||
@@ -2744,12 +2754,12 @@ href="2001/coupard/index.html%5D">index.html</a>)</h2>
|
||||
<code>main()</code> to make it more portable.</p>
|
||||
<p>Cody fixed this to compile with clang in Linux. The problem was C99
|
||||
does not support implicit int:</p>
|
||||
<div class="sourceCode" id="cb63"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb63-1"><a href="#cb63-1" aria-hidden="true" tabindex="-1"></a>coupard<span class="op">.</span>c<span class="op">:</span><span class="dv">31</span><span class="op">:</span><span class="dv">10</span><span class="op">:</span> error<span class="op">:</span> parameter <span class="ch">'h'</span> was not declared<span class="op">,</span> defaults to <span class="ch">'i</span><span class="er">nt</span><span class="ch">'</span><span class="op">;</span> ISO C99 and later <span class="cf">do</span> not support implicit <span class="dt">int</span> <span class="op">[-</span>Wimplicit<span class="op">-</span><span class="dt">int</span><span class="op">]</span></span>
|
||||
<span id="cb63-2"><a href="#cb63-2" aria-hidden="true" tabindex="-1"></a><span class="dt">void</span> e<span class="op">(</span>n<span class="op">,</span>h<span class="op">){</span></span>
|
||||
<span id="cb63-3"><a href="#cb63-3" aria-hidden="true" tabindex="-1"></a> <span class="op">^</span></span>
|
||||
<span id="cb63-4"><a href="#cb63-4" aria-hidden="true" tabindex="-1"></a>coupard<span class="op">.</span>c<span class="op">:</span><span class="dv">31</span><span class="op">:</span><span class="dv">8</span><span class="op">:</span> error<span class="op">:</span> parameter <span class="ch">'n'</span> was not declared<span class="op">,</span> defaults to <span class="ch">'i</span><span class="er">nt</span><span class="ch">'</span><span class="op">;</span> ISO C99 and later <span class="cf">do</span> not support implicit <span class="dt">int</span> <span class="op">[-</span>Wimplicit<span class="op">-</span><span class="dt">int</span><span class="op">]</span></span>
|
||||
<span id="cb63-5"><a href="#cb63-5" aria-hidden="true" tabindex="-1"></a><span class="dt">void</span> e<span class="op">(</span>n<span class="op">,</span>h<span class="op">){</span></span>
|
||||
<span id="cb63-6"><a href="#cb63-6" aria-hidden="true" tabindex="-1"></a> <span class="op">^</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb64"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb64-1"><a href="#cb64-1" aria-hidden="true" tabindex="-1"></a>coupard<span class="op">.</span>c<span class="op">:</span><span class="dv">31</span><span class="op">:</span><span class="dv">10</span><span class="op">:</span> error<span class="op">:</span> parameter <span class="ch">'h'</span> was not declared<span class="op">,</span> defaults to <span class="ch">'i</span><span class="er">nt</span><span class="ch">'</span><span class="op">;</span> ISO C99 and later <span class="cf">do</span> not support implicit <span class="dt">int</span> <span class="op">[-</span>Wimplicit<span class="op">-</span><span class="dt">int</span><span class="op">]</span></span>
|
||||
<span id="cb64-2"><a href="#cb64-2" aria-hidden="true" tabindex="-1"></a><span class="dt">void</span> e<span class="op">(</span>n<span class="op">,</span>h<span class="op">){</span></span>
|
||||
<span id="cb64-3"><a href="#cb64-3" aria-hidden="true" tabindex="-1"></a> <span class="op">^</span></span>
|
||||
<span id="cb64-4"><a href="#cb64-4" aria-hidden="true" tabindex="-1"></a>coupard<span class="op">.</span>c<span class="op">:</span><span class="dv">31</span><span class="op">:</span><span class="dv">8</span><span class="op">:</span> error<span class="op">:</span> parameter <span class="ch">'n'</span> was not declared<span class="op">,</span> defaults to <span class="ch">'i</span><span class="er">nt</span><span class="ch">'</span><span class="op">;</span> ISO C99 and later <span class="cf">do</span> not support implicit <span class="dt">int</span> <span class="op">[-</span>Wimplicit<span class="op">-</span><span class="dt">int</span><span class="op">]</span></span>
|
||||
<span id="cb64-5"><a href="#cb64-5" aria-hidden="true" tabindex="-1"></a><span class="dt">void</span> e<span class="op">(</span>n<span class="op">,</span>h<span class="op">){</span></span>
|
||||
<span id="cb64-6"><a href="#cb64-6" aria-hidden="true" tabindex="-1"></a> <span class="op">^</span></span></code></pre></div>
|
||||
<p>and for some reason it was being reported as an error. This was not
|
||||
really worth a thanks per se but it was originally done by adding
|
||||
<code>int</code>. The better solution is to disable the warning which is
|
||||
@@ -2965,20 +2975,20 @@ href="2004/jdalbec/index.html">index.html</a>)</h2>
|
||||
with clang). The problem was the cpp being unable to parse the generated
|
||||
code (see the index.html for details) and this ended up with a number of
|
||||
errors like:</p>
|
||||
<div class="sourceCode" id="cb65"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb65-1"><a href="#cb65-1" aria-hidden="true" tabindex="-1"></a>jdalbec<span class="op">.</span>c<span class="op">:</span><span class="dv">64</span><span class="op">:</span><span class="dv">5</span><span class="op">:</span> error<span class="op">:</span> stray <span class="ch">'#</span><span class="er">#</span><span class="ch">'</span> in program</span>
|
||||
<span id="cb65-2"><a href="#cb65-2" aria-hidden="true" tabindex="-1"></a> <span class="dv">64</span> <span class="op">|</span> B N##B <span class="op">(</span>I<span class="op">)</span> <span class="op">;</span> \</span>
|
||||
<span id="cb65-3"><a href="#cb65-3" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^~</span></span>
|
||||
<span id="cb65-4"><a href="#cb65-4" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb65-5"><a href="#cb65-5" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb65-6"><a href="#cb65-6" aria-hidden="true" tabindex="-1"></a><span class="op">..</span></span>
|
||||
<span id="cb65-7"><a href="#cb65-7" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb65-8"><a href="#cb65-8" aria-hidden="true" tabindex="-1"></a>jdalbec<span class="op">.</span>c<span class="op">:</span><span class="dv">65</span><span class="op">:</span><span class="dv">5</span><span class="op">:</span> error<span class="op">:</span> stray <span class="ch">'#</span><span class="er">#</span><span class="ch">'</span> in program</span>
|
||||
<span id="cb65-9"><a href="#cb65-9" aria-hidden="true" tabindex="-1"></a> <span class="dv">65</span> <span class="op">|</span> V F##B <span class="op">(</span>B<span class="op">)</span> <span class="op">;</span> \</span>
|
||||
<span id="cb65-10"><a href="#cb65-10" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^~</span></span>
|
||||
<span id="cb65-11"><a href="#cb65-11" aria-hidden="true" tabindex="-1"></a>jdalbec<span class="op">.</span>c<span class="op">:</span><span class="dv">65</span><span class="op">:</span><span class="dv">5</span><span class="op">:</span> error<span class="op">:</span> expected <span class="ch">';'</span> before <span class="ch">'B'</span></span>
|
||||
<span id="cb65-12"><a href="#cb65-12" aria-hidden="true" tabindex="-1"></a> <span class="dv">65</span> <span class="op">|</span> V F##B <span class="op">(</span>B<span class="op">)</span> <span class="op">;</span> \</span>
|
||||
<span id="cb65-13"><a href="#cb65-13" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span> <span class="op">~</span></span>
|
||||
<span id="cb65-14"><a href="#cb65-14" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">;</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb66"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb66-1"><a href="#cb66-1" aria-hidden="true" tabindex="-1"></a>jdalbec<span class="op">.</span>c<span class="op">:</span><span class="dv">64</span><span class="op">:</span><span class="dv">5</span><span class="op">:</span> error<span class="op">:</span> stray <span class="ch">'#</span><span class="er">#</span><span class="ch">'</span> in program</span>
|
||||
<span id="cb66-2"><a href="#cb66-2" aria-hidden="true" tabindex="-1"></a> <span class="dv">64</span> <span class="op">|</span> B N##B <span class="op">(</span>I<span class="op">)</span> <span class="op">;</span> \</span>
|
||||
<span id="cb66-3"><a href="#cb66-3" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^~</span></span>
|
||||
<span id="cb66-4"><a href="#cb66-4" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb66-5"><a href="#cb66-5" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb66-6"><a href="#cb66-6" aria-hidden="true" tabindex="-1"></a><span class="op">..</span></span>
|
||||
<span id="cb66-7"><a href="#cb66-7" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb66-8"><a href="#cb66-8" aria-hidden="true" tabindex="-1"></a>jdalbec<span class="op">.</span>c<span class="op">:</span><span class="dv">65</span><span class="op">:</span><span class="dv">5</span><span class="op">:</span> error<span class="op">:</span> stray <span class="ch">'#</span><span class="er">#</span><span class="ch">'</span> in program</span>
|
||||
<span id="cb66-9"><a href="#cb66-9" aria-hidden="true" tabindex="-1"></a> <span class="dv">65</span> <span class="op">|</span> V F##B <span class="op">(</span>B<span class="op">)</span> <span class="op">;</span> \</span>
|
||||
<span id="cb66-10"><a href="#cb66-10" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^~</span></span>
|
||||
<span id="cb66-11"><a href="#cb66-11" aria-hidden="true" tabindex="-1"></a>jdalbec<span class="op">.</span>c<span class="op">:</span><span class="dv">65</span><span class="op">:</span><span class="dv">5</span><span class="op">:</span> error<span class="op">:</span> expected <span class="ch">';'</span> before <span class="ch">'B'</span></span>
|
||||
<span id="cb66-12"><a href="#cb66-12" aria-hidden="true" tabindex="-1"></a> <span class="dv">65</span> <span class="op">|</span> V F##B <span class="op">(</span>B<span class="op">)</span> <span class="op">;</span> \</span>
|
||||
<span id="cb66-13"><a href="#cb66-13" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span> <span class="op">~</span></span>
|
||||
<span id="cb66-14"><a href="#cb66-14" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">;</span></span></code></pre></div>
|
||||
<p>and various other problems.</p>
|
||||
<p>Cody also added <a href="2004/jdalbec/index.html#alternate-code">alt
|
||||
code</a> which allows one to control how many numbers after the
|
||||
@@ -3038,41 +3048,41 @@ href="2004/vik2/index.html">index.html</a>)</h2>
|
||||
<p><a href="#cody">Cody</a> fixed this to compile in Linux. Although it
|
||||
compiled cleanly in macOS (and BSD?) the code failed to compile at all
|
||||
in Linux due to:</p>
|
||||
<div class="sourceCode" id="cb66"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb66-1"><a href="#cb66-1" aria-hidden="true" tabindex="-1"></a>cc <span class="op">-</span>E vik2_1<span class="op">.</span>c <span class="op">></span> vik2_2<span class="op">.</span>c</span>
|
||||
<span id="cb66-2"><a href="#cb66-2" aria-hidden="true" tabindex="-1"></a>In file included from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">945</span><span class="op">,</span></span>
|
||||
<span id="cb66-3"><a href="#cb66-3" aria-hidden="true" tabindex="-1"></a> from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">959</span><span class="op">,</span></span>
|
||||
<span id="cb66-4"><a href="#cb66-4" aria-hidden="true" tabindex="-1"></a> from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">972</span><span class="op">,</span></span>
|
||||
<span id="cb66-5"><a href="#cb66-5" aria-hidden="true" tabindex="-1"></a> from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1025</span><span class="op">:</span></span>
|
||||
<span id="cb66-6"><a href="#cb66-6" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">383</span><span class="op">:</span><span class="dv">8</span><span class="op">:</span> error<span class="op">:</span> no macro name given in #ifdef directive</span>
|
||||
<span id="cb66-7"><a href="#cb66-7" aria-hidden="true" tabindex="-1"></a> <span class="dv">383</span> <span class="op">|</span> O \</span>
|
||||
<span id="cb66-8"><a href="#cb66-8" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb66-9"><a href="#cb66-9" aria-hidden="true" tabindex="-1"></a>In file included from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">946</span><span class="op">:</span></span>
|
||||
<span id="cb66-10"><a href="#cb66-10" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">383</span><span class="op">:</span><span class="dv">8</span><span class="op">:</span> error<span class="op">:</span> no macro name given in #ifdef directive</span>
|
||||
<span id="cb66-11"><a href="#cb66-11" aria-hidden="true" tabindex="-1"></a> <span class="dv">383</span> <span class="op">|</span> O \</span>
|
||||
<span id="cb66-12"><a href="#cb66-12" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb66-13"><a href="#cb66-13" aria-hidden="true" tabindex="-1"></a>In file included from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">947</span><span class="op">:</span></span>
|
||||
<span id="cb66-14"><a href="#cb66-14" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">383</span><span class="op">:</span><span class="dv">8</span><span class="op">:</span> error<span class="op">:</span> no macro name given in #ifdef directive</span>
|
||||
<span id="cb66-15"><a href="#cb66-15" aria-hidden="true" tabindex="-1"></a> <span class="dv">383</span> <span class="op">|</span> O \</span>
|
||||
<span id="cb66-16"><a href="#cb66-16" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb66-17"><a href="#cb66-17" aria-hidden="true" tabindex="-1"></a>In file included from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">948</span><span class="op">:</span></span>
|
||||
<span id="cb66-18"><a href="#cb66-18" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">383</span><span class="op">:</span><span class="dv">8</span><span class="op">:</span> error<span class="op">:</span> no macro name given in #ifdef directive</span>
|
||||
<span id="cb66-19"><a href="#cb66-19" aria-hidden="true" tabindex="-1"></a> <span class="dv">383</span> <span class="op">|</span> O \</span>
|
||||
<span id="cb66-20"><a href="#cb66-20" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb66-21"><a href="#cb66-21" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb66-22"><a href="#cb66-22" aria-hidden="true" tabindex="-1"></a><span class="op">...</span></span>
|
||||
<span id="cb66-23"><a href="#cb66-23" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb66-24"><a href="#cb66-24" aria-hidden="true" tabindex="-1"></a>In file included from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">182</span><span class="op">:</span></span>
|
||||
<span id="cb66-25"><a href="#cb66-25" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb66-26"><a href="#cb66-26" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">992</span><span class="op">:</span><span class="dv">85</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">201</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb66-27"><a href="#cb66-27" aria-hidden="true" tabindex="-1"></a> <span class="dv">992</span> <span class="op">|</span> I</span>
|
||||
<span id="cb66-28"><a href="#cb66-28" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb66-29"><a href="#cb66-29" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1497</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb66-30"><a href="#cb66-30" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1498</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb66-31"><a href="#cb66-31" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1499</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb66-32"><a href="#cb66-32" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1500</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb66-33"><a href="#cb66-33" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1501</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb66-34"><a href="#cb66-34" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1504</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb66-35"><a href="#cb66-35" aria-hidden="true" tabindex="-1"></a>make<span class="op">:</span> <span class="op">***</span> <span class="op">[</span>Makefile<span class="op">:</span><span class="dv">133</span><span class="op">:</span> vik2<span class="op">]</span> Error <span class="dv">1</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb67"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb67-1"><a href="#cb67-1" aria-hidden="true" tabindex="-1"></a>cc <span class="op">-</span>E vik2_1<span class="op">.</span>c <span class="op">></span> vik2_2<span class="op">.</span>c</span>
|
||||
<span id="cb67-2"><a href="#cb67-2" aria-hidden="true" tabindex="-1"></a>In file included from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">945</span><span class="op">,</span></span>
|
||||
<span id="cb67-3"><a href="#cb67-3" aria-hidden="true" tabindex="-1"></a> from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">959</span><span class="op">,</span></span>
|
||||
<span id="cb67-4"><a href="#cb67-4" aria-hidden="true" tabindex="-1"></a> from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">972</span><span class="op">,</span></span>
|
||||
<span id="cb67-5"><a href="#cb67-5" aria-hidden="true" tabindex="-1"></a> from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1025</span><span class="op">:</span></span>
|
||||
<span id="cb67-6"><a href="#cb67-6" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">383</span><span class="op">:</span><span class="dv">8</span><span class="op">:</span> error<span class="op">:</span> no macro name given in #ifdef directive</span>
|
||||
<span id="cb67-7"><a href="#cb67-7" aria-hidden="true" tabindex="-1"></a> <span class="dv">383</span> <span class="op">|</span> O \</span>
|
||||
<span id="cb67-8"><a href="#cb67-8" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb67-9"><a href="#cb67-9" aria-hidden="true" tabindex="-1"></a>In file included from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">946</span><span class="op">:</span></span>
|
||||
<span id="cb67-10"><a href="#cb67-10" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">383</span><span class="op">:</span><span class="dv">8</span><span class="op">:</span> error<span class="op">:</span> no macro name given in #ifdef directive</span>
|
||||
<span id="cb67-11"><a href="#cb67-11" aria-hidden="true" tabindex="-1"></a> <span class="dv">383</span> <span class="op">|</span> O \</span>
|
||||
<span id="cb67-12"><a href="#cb67-12" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb67-13"><a href="#cb67-13" aria-hidden="true" tabindex="-1"></a>In file included from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">947</span><span class="op">:</span></span>
|
||||
<span id="cb67-14"><a href="#cb67-14" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">383</span><span class="op">:</span><span class="dv">8</span><span class="op">:</span> error<span class="op">:</span> no macro name given in #ifdef directive</span>
|
||||
<span id="cb67-15"><a href="#cb67-15" aria-hidden="true" tabindex="-1"></a> <span class="dv">383</span> <span class="op">|</span> O \</span>
|
||||
<span id="cb67-16"><a href="#cb67-16" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb67-17"><a href="#cb67-17" aria-hidden="true" tabindex="-1"></a>In file included from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">948</span><span class="op">:</span></span>
|
||||
<span id="cb67-18"><a href="#cb67-18" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">383</span><span class="op">:</span><span class="dv">8</span><span class="op">:</span> error<span class="op">:</span> no macro name given in #ifdef directive</span>
|
||||
<span id="cb67-19"><a href="#cb67-19" aria-hidden="true" tabindex="-1"></a> <span class="dv">383</span> <span class="op">|</span> O \</span>
|
||||
<span id="cb67-20"><a href="#cb67-20" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb67-21"><a href="#cb67-21" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb67-22"><a href="#cb67-22" aria-hidden="true" tabindex="-1"></a><span class="op">...</span></span>
|
||||
<span id="cb67-23"><a href="#cb67-23" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb67-24"><a href="#cb67-24" aria-hidden="true" tabindex="-1"></a>In file included from vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">182</span><span class="op">:</span></span>
|
||||
<span id="cb67-25"><a href="#cb67-25" aria-hidden="true" tabindex="-1"></a></span>
|
||||
<span id="cb67-26"><a href="#cb67-26" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">992</span><span class="op">:</span><span class="dv">85</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">201</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb67-27"><a href="#cb67-27" aria-hidden="true" tabindex="-1"></a> <span class="dv">992</span> <span class="op">|</span> I</span>
|
||||
<span id="cb67-28"><a href="#cb67-28" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb67-29"><a href="#cb67-29" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1497</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb67-30"><a href="#cb67-30" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1498</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb67-31"><a href="#cb67-31" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1499</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb67-32"><a href="#cb67-32" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1500</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb67-33"><a href="#cb67-33" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1501</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb67-34"><a href="#cb67-34" aria-hidden="true" tabindex="-1"></a>vik2<span class="op">.</span>c<span class="op">:</span><span class="dv">1504</span><span class="op">:</span><span class="dv">21</span><span class="op">:</span> error<span class="op">:</span> #include nested depth <span class="dv">200</span> exceeds maximum of <span class="dv">200</span> <span class="op">(</span>use <span class="op">-</span>fmax<span class="op">-</span>include<span class="op">-</span>depth<span class="op">=</span>DEPTH to increase the maximum<span class="op">)</span></span>
|
||||
<span id="cb67-35"><a href="#cb67-35" aria-hidden="true" tabindex="-1"></a>make<span class="op">:</span> <span class="op">***</span> <span class="op">[</span>Makefile<span class="op">:</span><span class="dv">133</span><span class="op">:</span> vik2<span class="op">]</span> Error <span class="dv">1</span></span></code></pre></div>
|
||||
<p>Unfortunately the fix required heavy modification to the original
|
||||
file (see below) and also inclusion of what used to be generated by the
|
||||
<a href="2004/vik2/Makefile">Makefile</a> but now it at least works for
|
||||
@@ -3143,7 +3153,7 @@ that the <code>long*E</code> is now <code>int*E</code>. This solves a
|
||||
specific problem for Linux (32-bit, 64-bit) and macOS (arm64).</p>
|
||||
<p>To get the self-test feature to work it was required to remove from
|
||||
the code:</p>
|
||||
<div class="sourceCode" id="cb67"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb67-1"><a href="#cb67-1" aria-hidden="true" tabindex="-1"></a>O<span class="op">-</span>b<span class="op">-</span>f<span class="op">-</span>u <span class="op">-</span>s<span class="op">-</span>c<span class="op">-</span>a<span class="op">-</span>t<span class="op">-</span>e<span class="op">;</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb68"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb68-1"><a href="#cb68-1" aria-hidden="true" tabindex="-1"></a>O<span class="op">-</span>b<span class="op">-</span>f<span class="op">-</span>u <span class="op">-</span>s<span class="op">-</span>c<span class="op">-</span>a<span class="op">-</span>t<span class="op">-</span>e<span class="op">;</span></span></code></pre></div>
|
||||
<p>as it caused a compilation error in some of the generated code but
|
||||
served no purpose, didn’t affect the output of the puzzle and since the
|
||||
‘string’ is already in the code there is no problem omitting it.</p>
|
||||
@@ -3155,20 +3165,20 @@ change might also not have been necessary if using different flags to
|
||||
<code>cc</code> but this is less portable and caused other problems.
|
||||
This was a complicated fix as it’s in the comments but in a funny way;
|
||||
the final result to get the test feature to work is:</p>
|
||||
<div class="sourceCode" id="cb68"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb68-1"><a href="#cb68-1" aria-hidden="true" tabindex="-1"></a><span class="op">;;</span> <span class="co">/*echo/Line/%d;sed/-n/-e/ %d,%dp/%s/|sed*/</span></span>
|
||||
<span id="cb68-2"><a href="#cb68-2" aria-hidden="true" tabindex="-1"></a><span class="co">/*-e/'s,intZ,int/ Z,g'>c.c;make/c;/ rm/-f/c*/</span></span>
|
||||
<span id="cb68-3"><a href="#cb68-3" aria-hidden="true" tabindex="-1"></a><span class="op">;;</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb69"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb69-1"><a href="#cb69-1" aria-hidden="true" tabindex="-1"></a><span class="op">;;</span> <span class="co">/*echo/Line/%d;sed/-n/-e/ %d,%dp/%s/|sed*/</span></span>
|
||||
<span id="cb69-2"><a href="#cb69-2" aria-hidden="true" tabindex="-1"></a><span class="co">/*-e/'s,intZ,int/ Z,g'>c.c;make/c;/ rm/-f/c*/</span></span>
|
||||
<span id="cb69-3"><a href="#cb69-3" aria-hidden="true" tabindex="-1"></a><span class="op">;;</span></span></code></pre></div>
|
||||
<p>changed from:</p>
|
||||
<div class="sourceCode" id="cb69"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb69-1"><a href="#cb69-1" aria-hidden="true" tabindex="-1"></a><span class="op">;;</span> <span class="co">/*echo/Line/%d;sed/-n/-e/ %d,%dp/%s>*/</span></span>
|
||||
<span id="cb69-2"><a href="#cb69-2" aria-hidden="true" tabindex="-1"></a><span class="co">/*c.c;cc/c.c /-c*/</span><span class="op">;;</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb70"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb70-1"><a href="#cb70-1" aria-hidden="true" tabindex="-1"></a><span class="op">;;</span> <span class="co">/*echo/Line/%d;sed/-n/-e/ %d,%dp/%s>*/</span></span>
|
||||
<span id="cb70-2"><a href="#cb70-2" aria-hidden="true" tabindex="-1"></a><span class="co">/*c.c;cc/c.c /-c*/</span><span class="op">;;</span></span></code></pre></div>
|
||||
<p>or as a diff:</p>
|
||||
<div class="sourceCode" id="cb70"><pre
|
||||
class="sourceCode diff"><code class="sourceCode diff"><span id="cb70-1"><a href="#cb70-1" aria-hidden="true" tabindex="-1"></a><span class="st">-(t(m),(0));; /*echo/Line/%d;sed/-n/-e/ %d,%dp/%s>*/</span></span>
|
||||
<span id="cb70-2"><a href="#cb70-2" aria-hidden="true" tabindex="-1"></a><span class="st">-/*c.c;cc/c.c /-c*/;;char*A=0,*_,*R,*Q, D[9999],*r,l</span></span>
|
||||
<span id="cb70-3"><a href="#cb70-3" aria-hidden="true" tabindex="-1"></a><span class="st">-[9999],T=42, M,V=32;long*E,k[9999],B[1 <<+21],*N=B+</span></span>
|
||||
<span id="cb70-4"><a href="#cb70-4" aria-hidden="true" tabindex="-1"></a><span class="va">+(t(m),(0));; /*echo/Line/%d;sed/-n/-e/ %d,%dp/%s/|sed*/</span></span>
|
||||
<span id="cb70-5"><a href="#cb70-5" aria-hidden="true" tabindex="-1"></a><span class="va">+/*-e/'s,intZ,int/ Z,g'>c.c;make/c;/ rm/-f/c*/</span></span>
|
||||
<span id="cb70-6"><a href="#cb70-6" aria-hidden="true" tabindex="-1"></a><span class="va">+;;char*A=0,*_,*R,*Q, D[9999],*r,l[9999],T=42, M,V=32;int *E,k[9999],B[1 <<+21],*N=B+</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb71"><pre
|
||||
class="sourceCode diff"><code class="sourceCode diff"><span id="cb71-1"><a href="#cb71-1" aria-hidden="true" tabindex="-1"></a><span class="st">-(t(m),(0));; /*echo/Line/%d;sed/-n/-e/ %d,%dp/%s>*/</span></span>
|
||||
<span id="cb71-2"><a href="#cb71-2" aria-hidden="true" tabindex="-1"></a><span class="st">-/*c.c;cc/c.c /-c*/;;char*A=0,*_,*R,*Q, D[9999],*r,l</span></span>
|
||||
<span id="cb71-3"><a href="#cb71-3" aria-hidden="true" tabindex="-1"></a><span class="st">-[9999],T=42, M,V=32;long*E,k[9999],B[1 <<+21],*N=B+</span></span>
|
||||
<span id="cb71-4"><a href="#cb71-4" aria-hidden="true" tabindex="-1"></a><span class="va">+(t(m),(0));; /*echo/Line/%d;sed/-n/-e/ %d,%dp/%s/|sed*/</span></span>
|
||||
<span id="cb71-5"><a href="#cb71-5" aria-hidden="true" tabindex="-1"></a><span class="va">+/*-e/'s,intZ,int/ Z,g'>c.c;make/c;/ rm/-f/c*/</span></span>
|
||||
<span id="cb71-6"><a href="#cb71-6" aria-hidden="true" tabindex="-1"></a><span class="va">+;;char*A=0,*_,*R,*Q, D[9999],*r,l[9999],T=42, M,V=32;int *E,k[9999],B[1 <<+21],*N=B+</span></span></code></pre></div>
|
||||
<p>Cody also added the <a href="2005/giljade/try.sh">try.sh</a> script
|
||||
which also lets one see the beauty of the entry without having to use
|
||||
vi(m), should they be afraid of getting stuck in it (and for ease of
|
||||
@@ -3198,12 +3208,12 @@ href="2005/mikeash/index.html">index.html</a>)</h2>
|
||||
<p><a href="#cody">Cody</a> fixed this to work in Linux. The problem was
|
||||
an unknown escape sequence, <code>\N</code>, which caused a funny
|
||||
compiler error:</p>
|
||||
<div class="sourceCode" id="cb71"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb71-1"><a href="#cb71-1" aria-hidden="true" tabindex="-1"></a><span class="op">};</span>n b<span class="op">[</span><span class="dv">2048</span><span class="op">];</span><span class="dt">int</span> i</span>
|
||||
<span id="cb71-2"><a href="#cb71-2" aria-hidden="true" tabindex="-1"></a>mikeash<span class="op">.</span>c<span class="op">:</span> In function <span class="ch">'R'</span><span class="op">:</span></span>
|
||||
<span id="cb71-3"><a href="#cb71-3" aria-hidden="true" tabindex="-1"></a>mikeash<span class="op">.</span>c<span class="op">:</span><span class="dv">7</span><span class="op">:</span><span class="dv">1</span><span class="op">:</span> error<span class="op">:</span> <span class="ch">'\</span><span class="er">N</span><span class="ch">'</span> not followed by <span class="ch">'{'</span></span>
|
||||
<span id="cb71-4"><a href="#cb71-4" aria-hidden="true" tabindex="-1"></a> <span class="dv">7</span> <span class="op">|</span> <span class="op">;</span>C<span class="op">!=</span><span class="ch">'</span><span class="sc">\n</span><span class="ch">'</span><span class="op">;</span>A<span class="op">()</span></span>
|
||||
<span id="cb71-5"><a href="#cb71-5" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb71-6"><a href="#cb71-6" aria-hidden="true" tabindex="-1"></a>mikeash<span class="op">.</span>c<span class="op">:</span><span class="dv">7</span><span class="op">:</span><span class="dv">1</span><span class="op">:</span> error<span class="op">:</span> incomplete universal character name \Ne</span></code></pre></div>
|
||||
<div class="sourceCode" id="cb72"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb72-1"><a href="#cb72-1" aria-hidden="true" tabindex="-1"></a><span class="op">};</span>n b<span class="op">[</span><span class="dv">2048</span><span class="op">];</span><span class="dt">int</span> i</span>
|
||||
<span id="cb72-2"><a href="#cb72-2" aria-hidden="true" tabindex="-1"></a>mikeash<span class="op">.</span>c<span class="op">:</span> In function <span class="ch">'R'</span><span class="op">:</span></span>
|
||||
<span id="cb72-3"><a href="#cb72-3" aria-hidden="true" tabindex="-1"></a>mikeash<span class="op">.</span>c<span class="op">:</span><span class="dv">7</span><span class="op">:</span><span class="dv">1</span><span class="op">:</span> error<span class="op">:</span> <span class="ch">'\</span><span class="er">N</span><span class="ch">'</span> not followed by <span class="ch">'{'</span></span>
|
||||
<span id="cb72-4"><a href="#cb72-4" aria-hidden="true" tabindex="-1"></a> <span class="dv">7</span> <span class="op">|</span> <span class="op">;</span>C<span class="op">!=</span><span class="ch">'</span><span class="sc">\n</span><span class="ch">'</span><span class="op">;</span>A<span class="op">()</span></span>
|
||||
<span id="cb72-5"><a href="#cb72-5" aria-hidden="true" tabindex="-1"></a> <span class="op">|</span> <span class="op">^</span></span>
|
||||
<span id="cb72-6"><a href="#cb72-6" aria-hidden="true" tabindex="-1"></a>mikeash<span class="op">.</span>c<span class="op">:</span><span class="dv">7</span><span class="op">:</span><span class="dv">1</span><span class="op">:</span> error<span class="op">:</span> incomplete universal character name \Ne</span></code></pre></div>
|
||||
<p>The problem was that in the string above there was a
|
||||
<code>\Newline</code> but this is invalid C. This was changed to be
|
||||
<code>\nNewline</code> and then, because the code is supposed to output
|
||||
@@ -3906,14 +3916,14 @@ really just a decompressor to generate the real source of the program.
|
||||
So the source of the entry has to be compiled and then run, and the
|
||||
output has to be compiled to be <code>hou</code>. This allows the real
|
||||
program to be used. Thus the Makefile rule looks like:</p>
|
||||
<div class="sourceCode" id="cb74"><pre
|
||||
class="sourceCode makefile"><code class="sourceCode makefile"><span id="cb74-1"><a href="#cb74-1" aria-hidden="true" tabindex="-1"></a><span class="dv">${PROG}:</span><span class="dt"> </span><span class="ch">${</span><span class="dt">PROG</span><span class="ch">}</span><span class="dt">.c</span></span>
|
||||
<span id="cb74-2"><a href="#cb74-2" aria-hidden="true" tabindex="-1"></a><span class="er"> </span><span class="ch">${</span><span class="dt">CC</span><span class="ch">}</span> <span class="ch">${</span><span class="dt">CFLAGS</span><span class="ch">}</span> <span class="ch">$<</span> -o <span class="ch">$@</span> <span class="ch">${</span><span class="dt">LDFLAGS</span><span class="ch">}</span></span>
|
||||
<span id="cb74-3"><a href="#cb74-3" aria-hidden="true" tabindex="-1"></a> ./<span class="ch">${</span><span class="dt">PROG</span><span class="ch">}</span> | <span class="ch">${</span><span class="dt">CC</span><span class="ch">}</span> <span class="ch">${</span><span class="dt">CFLAGS</span><span class="ch">}</span> -xc - -o <span class="ch">$@</span> <span class="ch">${</span><span class="dt">LDFLAGS</span><span class="ch">}</span></span></code></pre></div>
|
||||
<p>which then compiles like:</p>
|
||||
<div class="sourceCode" id="cb75"><pre
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb75-1"><a href="#cb75-1" aria-hidden="true" tabindex="-1"></a><span class="fu">cc</span> <span class="at">-std</span><span class="op">=</span>gnu11 <span class="at">-Wall</span> <span class="at">-Wextra</span> <span class="at">-pedantic</span> <span class="at">-Wno-sign-compare</span> <span class="at">-Wno-strict-prototypes</span> <span class="at">-O3</span> hou.c <span class="at">-o</span> hou <span class="at">-lm</span></span>
|
||||
<span id="cb75-2"><a href="#cb75-2" aria-hidden="true" tabindex="-1"></a><span class="ex">./hou</span> <span class="kw">|</span> <span class="fu">cc</span> <span class="at">-std</span><span class="op">=</span>gnu11 <span class="at">-Wall</span> <span class="at">-Wextra</span> <span class="at">-pedantic</span> <span class="at">-Wno-sign-compare</span> <span class="at">-Wno-strict-prototypes</span> <span class="at">-O3</span> <span class="at">-xc</span> <span class="at">-</span> <span class="at">-o</span> hou <span class="at">-lm</span></span></code></pre></div>
|
||||
class="sourceCode makefile"><code class="sourceCode makefile"><span id="cb75-1"><a href="#cb75-1" aria-hidden="true" tabindex="-1"></a><span class="dv">${PROG}:</span><span class="dt"> </span><span class="ch">${</span><span class="dt">PROG</span><span class="ch">}</span><span class="dt">.c</span></span>
|
||||
<span id="cb75-2"><a href="#cb75-2" aria-hidden="true" tabindex="-1"></a><span class="er"> </span><span class="ch">${</span><span class="dt">CC</span><span class="ch">}</span> <span class="ch">${</span><span class="dt">CFLAGS</span><span class="ch">}</span> <span class="ch">$<</span> -o <span class="ch">$@</span> <span class="ch">${</span><span class="dt">LDFLAGS</span><span class="ch">}</span></span>
|
||||
<span id="cb75-3"><a href="#cb75-3" aria-hidden="true" tabindex="-1"></a> ./<span class="ch">${</span><span class="dt">PROG</span><span class="ch">}</span> | <span class="ch">${</span><span class="dt">CC</span><span class="ch">}</span> <span class="ch">${</span><span class="dt">CFLAGS</span><span class="ch">}</span> -xc - -o <span class="ch">$@</span> <span class="ch">${</span><span class="dt">LDFLAGS</span><span class="ch">}</span></span></code></pre></div>
|
||||
<p>which then compiles like:</p>
|
||||
<div class="sourceCode" id="cb76"><pre
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb76-1"><a href="#cb76-1" aria-hidden="true" tabindex="-1"></a><span class="fu">cc</span> <span class="at">-std</span><span class="op">=</span>gnu11 <span class="at">-Wall</span> <span class="at">-Wextra</span> <span class="at">-pedantic</span> <span class="at">-Wno-sign-compare</span> <span class="at">-Wno-strict-prototypes</span> <span class="at">-O3</span> hou.c <span class="at">-o</span> hou <span class="at">-lm</span></span>
|
||||
<span id="cb76-2"><a href="#cb76-2" aria-hidden="true" tabindex="-1"></a><span class="ex">./hou</span> <span class="kw">|</span> <span class="fu">cc</span> <span class="at">-std</span><span class="op">=</span>gnu11 <span class="at">-Wall</span> <span class="at">-Wextra</span> <span class="at">-pedantic</span> <span class="at">-Wno-sign-compare</span> <span class="at">-Wno-strict-prototypes</span> <span class="at">-O3</span> <span class="at">-xc</span> <span class="at">-</span> <span class="at">-o</span> hou <span class="at">-lm</span></span></code></pre></div>
|
||||
<p>The <code>LDFLAGS</code> were updated to have <code>-lm</code> as the
|
||||
author suggested it uses the <code>math.h</code> library which not all
|
||||
systems link in by default (Linux for instance does not).</p>
|
||||
@@ -4106,15 +4116,15 @@ href="2015/burton/index.html%5D">index.html</a>)</h2>
|
||||
echo feature, where the first character of the filename starts with
|
||||
<code>e</code>. The only way it would work before that is if one did
|
||||
something like:</p>
|
||||
<div class="sourceCode" id="cb76"><pre
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb76-1"><a href="#cb76-1" aria-hidden="true" tabindex="-1"></a><span class="fu">ln</span> <span class="at">-sf</span> prog eprog</span>
|
||||
<span id="cb76-2"><a href="#cb76-2" aria-hidden="true" tabindex="-1"></a><span class="va">PATH</span><span class="op">=</span><span class="va">$PATH</span>:. <span class="kw">;</span> <span class="ex">eprog</span> <span class="st">'...'</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb77"><pre
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb77-1"><a href="#cb77-1" aria-hidden="true" tabindex="-1"></a><span class="fu">ln</span> <span class="at">-sf</span> prog eprog</span>
|
||||
<span id="cb77-2"><a href="#cb77-2" aria-hidden="true" tabindex="-1"></a><span class="va">PATH</span><span class="op">=</span><span class="va">$PATH</span>:. <span class="kw">;</span> <span class="ex">eprog</span> <span class="st">'...'</span></span></code></pre></div>
|
||||
<p>since otherwise the first character would not be <code>e</code> but
|
||||
rather a dot (<code>./eprog</code>). This was done by adding to the
|
||||
Makefile <code>-include libgen.h</code> and adding to
|
||||
<code>main()</code> after the variable declaration (<code>V*A;</code>)
|
||||
the code:</p>
|
||||
<div class="sourceCode" id="cb77"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb77-1"><a href="#cb77-1" aria-hidden="true" tabindex="-1"></a><span class="op">*</span>K<span class="op">=</span>basename<span class="op">(*</span>K<span class="op">);</span></span></code></pre></div>
|
||||
<div class="sourceCode" id="cb78"><pre class="sourceCode c"><code class="sourceCode c"><span id="cb78-1"><a href="#cb78-1" aria-hidden="true" tabindex="-1"></a><span class="op">*</span>K<span class="op">=</span>basename<span class="op">(*</span>K<span class="op">);</span></span></code></pre></div>
|
||||
<p>This was done for both the <a href="2015/burton/prog.c">prog.c</a>
|
||||
and <a href="2015/burton/prog.alt.c">prog.alt.c</a>. The Makefile was
|
||||
also updated to build <code>eprog</code> and <code>eprog.alt</code> to
|
||||
@@ -4600,9 +4610,9 @@ href="2020/endoh3/index.html">index.html</a>)</h2>
|
||||
<p><a href="#cody">Cody</a> fixed the script <a
|
||||
href="2020/endoh3/run_clock.sh">run_clock.sh</a> which gave a funny
|
||||
error when running it:</p>
|
||||
<div class="sourceCode" id="cb78"><pre
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb78-1"><a href="#cb78-1" aria-hidden="true" tabindex="-1"></a><span class="ex">$</span> ./run_clock.sh</span>
|
||||
<span id="cb78-2"><a href="#cb78-2" aria-hidden="true" tabindex="-1"></a><span class="ex">-bash:</span> ./run_clock.sh: cannot execute: required file not found</span></code></pre></div>
|
||||
<div class="sourceCode" id="cb79"><pre
|
||||
class="sourceCode sh"><code class="sourceCode bash"><span id="cb79-1"><a href="#cb79-1" aria-hidden="true" tabindex="-1"></a><span class="ex">$</span> ./run_clock.sh</span>
|
||||
<span id="cb79-2"><a href="#cb79-2" aria-hidden="true" tabindex="-1"></a><span class="ex">-bash:</span> ./run_clock.sh: cannot execute: required file not found</span></code></pre></div>
|
||||
<p>If run from within vim a different error message occurred:</p>
|
||||
<pre><code>/bin/bash: ./run_clock.sh: /usr/bin/end: bad interpreter: No such file or directory</code></pre>
|
||||
<p>though this was only noticed later on after it was fixed.</p>
|
||||
|
||||
@@ -863,6 +863,20 @@ from the author and the `fib.lisp` comes from [Yusuke](#yusuke). Cody wrote the
|
||||
offered us some chocolate cake :-) See index.html for details on how to use the
|
||||
script.
|
||||
|
||||
Cody also fixed the Makefile where typing `make everything` or `make alt` would
|
||||
result in:
|
||||
|
||||
```
|
||||
clang: error: no such file or directory: 'data'
|
||||
clang: error: no input files
|
||||
make: *** [Makefile:143: alt] Error 1
|
||||
|
||||
shell returned 2
|
||||
```
|
||||
|
||||
because the `alt` rule had what normally is in the `${PROG}.alt` rule.
|
||||
|
||||
|
||||
|
||||
## <a name="1989_ovdluhe"></a>[1989/ovdluhe](1989/ovdluhe/ovdluhe.c) ([index.html](1989/ovdluhe/index.html]))
|
||||
|
||||
|
||||
Reference in new issue
Block a user